NPI age
19 years
Enumerated 2007-04-06
● Active
Type 1 · Individual
MR. Mark S. Hammar, PA-C
Hammar is 1 of 11 physician assistant providers in Rexburg and 1 of 387 in Idaho.
Primary specialty
Physician Assistant
Licensed in
ID
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-06-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 387 active physician assistant providers in Idaho.
NPI age
19 years
↑ 4 yr above median (15 yr)
State licenses
1 state
16% of peers hold multiple states
Subspecialties
0
30% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-04Enumerated in NPPES
2007
2026
Where they practice
Practice location
37 S 2nd E Ste 202
Rexburg, ID 834401906
Mailing address
37 S 2nd E Ste 202
Rexburg, ID 834401906
Additional practice locations
1 secondary location on file with NPPES.
Location 2
36 Professional Plz, Suite 202
Rexburg, ID 834402049
Specialties
-
Physician Assistant PrimaryDefinition to come...
Practice context
Solo or small practice. No other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.